128702280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 256

約数和(自身を含む): 468840960

約数和(自身を除く): 340138680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 41, 42, 56, 60, 70, 74, 82, 84, 101, 105, 111, 120, 123, 140, 148, 164, 168, 185, 202, 205, 210, 222, 246, 259, 280, 287, 296, 303, 328, 370, 404, 410, 420, 444, 492, 505, 518, 555, 574, 606, 615, 707, 740, 777, 808, 820, 840, 861, 888, 984, 1010, 1036, 1110, 1148, 1212, 1230, 1295, 1414, 1435, 1480, 1515, 1517, 1554, 1640, 1722, 2020, 2072, 2121, 2220, 2296, 2424, 2460, 2590, 2828, 2870, 3030, 3034, 3108, 3444, 3535, 3737, 3885, 4040, 4141, 4242, 4305, 4440, 4551, 4920, 5180, 5656, 5740, 6060, 6068, 6216, 6888, 7070, 7474, 7585, 7770, 8282, 8484, 8610, 9102, 10360, 10605, 10619, 11211, 11480, 12120, 12136, 12423, 14140, 14948, 15170, 15540, 16564, 16968, 17220, 18204, 18685, 20705, 21210, 21238, 22422, 22755, 24846, 26159, 28280, 28987, 29896, 30340, 31080, 31857, 33128, 34440, 36408, 37370, 41410, 42420, 42476, 44844, 45510, 49692, 52318, 53095, 56055, 57974, 60680, 62115, 63714, 74740, 78477, 82820, 84840, 84952, 86961, 89688, 91020, 99384, 104636, 106190, 112110, 115948, 124230, 127428, 130795, 144935, 149480, 153217, 156954, 159285, 165640, 173922, 182040, 209272, 212380, 224220, 231896, 248460, 254856, 261590, 289870, 306434, 313908, 318570, 347844, 392385, 424760, 434805, 448440, 459651, 496920, 523180, 579740, 612868, 627816, 637140, 695688, 766085, 784770, 869610, 919302, 1046360, 1072519, 1159480, 1225736, 1274280, 1532170, 1569540, 1739220, 1838604, 2145038, 2298255, 3064340, 3139080, 3217557, 3478440, 3677208, 4290076, 4596510, 5362595, 6128680, 6435114, 8580152, 9193020, 10725190, 12870228, 16087785, 18386040, 21450380, 25740456, 32175570, 42900760, 64351140, 128702280]

約数ペア:

[(1, 128702280), (2, 64351140), (3, 42900760), (4, 32175570), (5, 25740456), (6, 21450380), (7, 18386040), (8, 16087785), (10, 12870228), (12, 10725190), (14, 9193020), (15, 8580152), (20, 6435114), (21, 6128680), (24, 5362595), (28, 4596510), (30, 4290076), (35, 3677208), (37, 3478440), (40, 3217557), (41, 3139080), (42, 3064340), (56, 2298255), (60, 2145038), (70, 1838604), (74, 1739220), (82, 1569540), (84, 1532170), (101, 1274280), (105, 1225736), (111, 1159480), (120, 1072519), (123, 1046360), (140, 919302), (148, 869610), (164, 784770), (168, 766085), (185, 695688), (202, 637140), (205, 627816), (210, 612868), (222, 579740), (246, 523180), (259, 496920), (280, 459651), (287, 448440), (296, 434805), (303, 424760), (328, 392385), (370, 347844), (404, 318570), (410, 313908), (420, 306434), (444, 289870), (492, 261590), (505, 254856), (518, 248460), (555, 231896), (574, 224220), (606, 212380), (615, 209272), (707, 182040), (740, 173922), (777, 165640), (808, 159285), (820, 156954), (840, 153217), (861, 149480), (888, 144935), (984, 130795), (1010, 127428), (1036, 124230), (1110, 115948), (1148, 112110), (1212, 106190), (1230, 104636), (1295, 99384), (1414, 91020), (1435, 89688), (1480, 86961), (1515, 84952), (1517, 84840), (1554, 82820), (1640, 78477), (1722, 74740), (2020, 63714), (2072, 62115), (2121, 60680), (2220, 57974), (2296, 56055), (2424, 53095), (2460, 52318), (2590, 49692), (2828, 45510), (2870, 44844), (3030, 42476), (3034, 42420), (3108, 41410), (3444, 37370), (3535, 36408), (3737, 34440), (3885, 33128), (4040, 31857), (4141, 31080), (4242, 30340), (4305, 29896), (4440, 28987), (4551, 28280), (4920, 26159), (5180, 24846), (5656, 22755), (5740, 22422), (6060, 21238), (6068, 21210), (6216, 20705), (6888, 18685), (7070, 18204), (7474, 17220), (7585, 16968), (7770, 16564), (8282, 15540), (8484, 15170), (8610, 14948), (9102, 14140), (10360, 12423), (10605, 12136), (10619, 12120), (11211, 11480)]